Need to impress your fellow gamers? Andi Hamilton's 'Five Minute Fanboy' series will teach you the best ways to blag your way through any conversations you encounter about a classic series or genre, and come out sounding like Yoda. First up: zombies.

It's that time of the year when Steam launches another one of its crazy sales for lucky PC and Mac owners - this time it's the Steam Summer Camp sale, and almost everything in the service's massive library has seen some sort of discount.